#include <Wire.h> 
#include <DS1307new.h>

String getdateTimeStr(){
  if (RTC.isPresent()) {
    RTC.getTime();
    String str;
    str = String(RTC.year);
    str=str+"."+RTC.month+"."+RTC.day;
    str=str+" ";
    str=str+RTC.hour;str=str+":";
    str=str+RTC.minute;str=str+":";str=str+RTC.second;
    return str;
  }  
}
